1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0 3 * 4 * This file is provided under a dual BSD/GPLv2 license. When using or 5 * redistributing this file, you may do so under either license. 6 * 7 * GPL LICENSE SUMMARY 8 * 9 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of version 2 of the GNU General Public License as 13 * published by the Free Software Foundation. 14 * 15 * This program is distributed in the hope that it will be useful, but 16 * WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 * General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 23 * The full GNU General Public License is included in this distribution 24 * in the file called LICENSE.GPL. 25 * 26 * BSD LICENSE 27 * 28 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. 29 * All rights reserved. 30 * 31 * Redistribution and use in source and binary forms, with or without 32 * modification, are permitted provided that the following conditions 33 * are met: 34 * 35 * * Redistributions of source code must retain the above copyright 36 * notice, this list of conditions and the following disclaimer. 37 * * Redistributions in binary form must reproduce the above copyright 38 * notice, this list of conditions and the following disclaimer in 39 * the documentation and/or other materials provided with the 40 * distribution. 41 * 42 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 43 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 44 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 45 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 46 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 47 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 48 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 49 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 50 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 51 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 52 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 53 */ 54 55 #include <sys/cdefs.h> 56 __FBSDID("$FreeBSD$"); 57 58 /** 59 * @file 60 * 61 * @brief This file provides the implementation for the observer role 62 * for a state machine. A state machine observer is notified when 63 * the state machine changes states. 64 */ 65 66 #include <dev/isci/scil/sci_base_state_machine.h> 67 #include <dev/isci/scil/sci_base_state_machine_observer.h> 68 69 #if defined(SCI_LOGGING) 70 71 #define SCI_BASE_INVALID_SUBJECT_STATE 0xFFFF 72 73 //****************************************************************************** 74 //* P R O T E C T E D M E T H O D S 75 //****************************************************************************** 76 77 void sci_base_state_machine_observer_default_update( 78 SCI_BASE_OBSERVER_T *this_observer, 79 SCI_BASE_SUBJECT_T *the_subject 80 ) 81 { 82 SCI_BASE_STATE_MACHINE_OBSERVER_T *state_machine_observer; 83 84 state_machine_observer = (SCI_BASE_STATE_MACHINE_OBSERVER_T *)this_observer; 85 86 state_machine_observer->subject_state = 87 sci_base_state_machine_get_state((SCI_BASE_STATE_MACHINE_T *)the_subject); 88 } 89 90 // --------------------------------------------------------------------------- 91 92 void sci_base_state_machine_observer_construct( 93 SCI_BASE_STATE_MACHINE_OBSERVER_T *this_observer 94 ) 95 { 96 this_observer->parent.update = sci_base_state_machine_observer_default_update; 97 98 this_observer->subject_state = SCI_BASE_INVALID_SUBJECT_STATE; 99 } 100 101 #endif // defined(SCI_LOGGING) 102